Revis® 70S-A1

General Description

Solid wire for welding creep resistant 0.5%Mo steels and fine grained steels for low temperature applications in the as welded condition with service temperatures in range -30°C to +500°C

Shielding gases (acc. EN 439)

GTAW

I1

Inert gas Ar 100%

GMAW

М21

Mixed gas Ar+ >5-25% CO2

 

C1

Active gas 100% СО2

Approvals

 

DNV

TÜV

GTAW

NV 0.3 Mo

+

GMAW

 

+

Chemical composition (w%), typical, all weld metal

C

Mn

Si

Mo

0.12

1.2

0.6

0.5

Materials to be welded

Steel

Code

Type

Elevated temperature steel

EN 10028-2

P295 G H, P355 G H, 16 Mo 2

 

EN 10222-2

17 Mo 3, 14 Mo 6

Fine grained steel

EN 10113-2

S275, S355, S420

 

EN 10113-3

S275, S355, S420

Application advice

Preheating of welded joints in accordance with EN 1011-1

If necessary, provide stress relieve at 580-650оС

Packaging, available sizes and identification

 

 

Sizes, mm

Process

Unit:

1.0

1.2

1.6

2.0

2.4

3.0

GTAW

2 and 5 kg tube

 

 

Х

Х

Х

Х

GMAW

15 kg spool B300

Х

Х

 

 

 

 

Mechanical properties, all weld metal

 

Process

Shielding gas

Condition

Yield Strength

(N/mm2)

Tensile Strength

(N/mm2)

Elongation

(%)

Impact (ISO), J

+20оС

-20оС

-30оС

Typical values after welding

 

 

GTAW

I1 

AW

550

650

24

170

 

90

SR 620oC/1h

520

610

23

190

 

120

GMAW

M21

AW

540

640

22

130

90

70

SR 620oC/1h

500

600

25

120